Jack

__NOTOC__Jack may refer to:
* Jack (CAD software), a 3-D interactive ergonomics and human factors CAD package
* Jack (connector), an electrical connector
** Jack plug, a common audio connector
* JACK Audio Connection Kit, a computer sound server
* Jack (device), a device used to lift heavy objects
* Jack (human modeling), a human modeling and simulation system
* Jack (playing card), the lowest face card in a deck of playing cards
* Jack (tree), a relative of the mango
* Jack, a 1996 movie starring Robin Williams
* Jack (software), audio CD ripper
* Jacking, a form of dance popular in the late 1980s
* Jacks, playground game for children
* Jack, one of a pair of windmills at Clayton, Sussex.
* Jack, a male donkey, hence the term "jackass"
* Jack (film)

Other uses

Jack may also be used for:
* Jack Daniel's, a brand of whiskey
* Jack plane, a tool for smoothing wood
* Jackfruit, a species of tree native to the East Indies
* Jacks, maritime flags flown from the bow of a ship
* Sailors
* Jack (fish), several species of fish
* Jack (webcomic), an anthropomorphic webcomic

ee also

* Crackerjack (disambiguation)
* Jack-in-the-Box (disambiguation)
*
* Jack of all trades
* You Don't Know Jack